Install net.modules.d to /lib/rcscripts instead of /etc so we
don't have to deal with CONFIG_PROTECT
Fix diff code in modules_load so it can identify which functions
have been modified
Fix fallback mechanism in iface_start so that it works correctly
and doesn't report a bogus error message when trying the fallback
Get rid of need_begin trickery in iface_stop
Simplify eend processing in dhcp modules
Implement eindent, eoutdent, esetdent in functions.sh and adjust
net-scripts to use them.
Re-write einfo, ewarn, eerror, ebegin, eend, ewend to use
RC_INDENTATION and to work better on serial terminals
Remove conf.d/net.ppp0 since that is provided by net-dialup/ppp